/* -------------------------------------------------------------------------
 *
 * tzparser.h
 *	  Timezone offset file parsing definitions.
 *
 * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/utils/tzparser.h
 *
 * -------------------------------------------------------------------------
 */
#ifndef TZPARSER_H
#define TZPARSER_H

#include "utils/datetime.h"

/*
 * The result of parsing a timezone configuration file is an array of
 * these structs, in order by abbrev.  We export this because datetime.c
 * needs it.
 */
typedef struct tzEntry {
    /* the actual data: TZ abbrev (downcased), offset, DST flag */
    char* abbrev;
    int offset; /* in seconds from UTC */
    bool is_dst;
    /* source information (for error messages) */
    int lineno;
    const char* filename;
} tzEntry;

extern TimeZoneAbbrevTable* load_tzoffsets(const char* filename);
extern char* pg_findformat(const char* pattern, const char* source);
#endif /* TZPARSER_H */
